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SubjectRe: [RFC PATCH v2 1/5] mm: Identify compound pages sooner in isolate_migratepages_block
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在 2020/8/19 下午12:27, Alexander Duyck 写道:
> In addition by testing for PageCompound sooner we can avoid having the LRU
> flag cleared and then reset in the exception case. As a result this should
> prevent possible races where another thread might be attempting to pull the
> LRU pages from the list.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>

Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>

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